Night Stalker (Intellivision)

Night Stalker for the Intellivision was developed and published by Mattel in 1982.

Game description

Night Stalker was released by Mattel in 1982 for the Intellivision Game system. It is a top-down maze game. It was also adapted as Dark Caverns for the Atari 2600, but stayed with the original name for the Mattel Aquarius, Apple II and IBM PC.

You control a man that is trapped in a spooky, cavernous maze. The maze is a single screen of twists, featuring a large web, the bunker A pulsing background beat is heard, creating a Robot constantly appear to track him and shoot him down. The maze is also inhabited by spiders and bats that will pursue the player. Touching any of these enemies will kill you.

The player starts with 6 lives and spawn in the bunker. At the beginning of the game, you are invulnerable and cannot be killed there. However, later in the game, when Black Robot appears, they can destroy the bunker.

Unarmed, your man must get the gun, which spawn not far from it. Then, you can shoot 6 bullets from it before the gun become useless. At that specific time, you must gather another gun that will spawn around the maze.

You can shoot in four directions but cannot shoot again until the projectile exits the screen.

In Night Stalker, you will fight different kinds of robots depending on your current scores, along with the bats and spider

  • Grey Robot: attack only when in sight without chasing the man. Appears at the beginning of the game
  • Blue Robot: attack only when in sight chase the man around the screen. Appears after scoring at least 5000 points
  • White Robot: he acts like the Blue Robot, but he is much faster. It also takes three shot to destroy instead of one, like the first two robots. Appears after 15 000 points
  • Black Robot: act like the White Robot, but his projectile is now an energy bolt that will destroy the man’s bullet. Appears after 30 000 points
  • Invisible Robot: The strongest variant, act like the Black Robot but faster. This is the final robot variant that appears after 80 000 points

Initially, the game starts with 2 bats and a spider. The spider always spawns at its web when killed during the bat spawn nearby. Beside them, there is a robot who wanders around the maze and shoot the man when on sight. When the white robot appears, regular Grey Robot will take place of the bats once they are killed.

Various strategy gives advantages to the man. He can shoot in a precise way to bypass the robot’s projectile and hit it.

Night Stalker playthrough

The goal of the playthrough is to have the highest score possible before overflowing and not lose a man in the process. Anticipated shot is crucial at later part of the game since the robot will always spawn to a specific place and their behaviours are not random.

Another viable strategy is to force one of the Robots to shoot its projectile from a side of the screen. Since only one enemy’s projectile can be on the screen at a time, the robot is harmless until the projectile is gone. The difficulty caps at 80 000 points, in which 2 Grey Robot, an invisible Robot and a spider will wander around the screen.

You get an extra life for each 10 000 points your score. Because of this, if you gain more than 9 Lives, letters and symbols will represent the life counter (that it is, when you have 10 or more life).

The maximum visible score is 999 900. If you score over the limit, the game will overflow and display 1 000 000 as :00 000 (in decimal, “:” is representing 10).

No cheats were used in the run. TAS tools were used to make a high-quality play through.

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